internal XmlDiffNode LoadNode(XmlNode node, ref int childPosition) { switch (node.NodeType) { case XmlNodeType.Element: XmlDiffElement elem = new XmlDiffElement(++childPosition, node.LocalName, node.Prefix, node.NamespaceURI); LoadChildNodes(elem, node); elem.ComputeHashValue(_xmlHash); return(elem); case XmlNodeType.Attribute: Debug.Assert(false, "Attributes cannot be loaded by this method."); return(null); case XmlNodeType.Text: string textValue = (_XmlDiff.IgnoreWhitespace) ? XmlDiff.NormalizeText(node.Value) : node.Value; XmlDiffCharData text = new XmlDiffCharData(++childPosition, textValue, XmlDiffNodeType.Text); text.ComputeHashValue(_xmlHash); return(text); case XmlNodeType.CDATA: XmlDiffCharData cdata = new XmlDiffCharData(++childPosition, node.Value, XmlDiffNodeType.CDATA); cdata.ComputeHashValue(_xmlHash); return(cdata); case XmlNodeType.EntityReference: XmlDiffER er = new XmlDiffER(++childPosition, node.Name); er.ComputeHashValue(_xmlHash); return(er); case XmlNodeType.Comment: ++childPosition; if (_XmlDiff.IgnoreComments) { return(null); } XmlDiffCharData comment = new XmlDiffCharData(childPosition, node.Value, XmlDiffNodeType.Comment); comment.ComputeHashValue(_xmlHash); return(comment); case XmlNodeType.ProcessingInstruction: ++childPosition; if (_XmlDiff.IgnorePI) { return(null); } XmlDiffPI pi = new XmlDiffPI(childPosition, node.Name, node.Value); pi.ComputeHashValue(_xmlHash); return(pi); case XmlNodeType.SignificantWhitespace: ++childPosition; if (_XmlDiff.IgnoreWhitespace) { return(null); } XmlDiffCharData ws = new XmlDiffCharData(childPosition, node.Value, XmlDiffNodeType.SignificantWhitespace); ws.ComputeHashValue(_xmlHash); return(ws); case XmlNodeType.XmlDeclaration: ++childPosition; if (_XmlDiff.IgnoreXmlDecl) { return(null); } XmlDiffXmlDeclaration xmlDecl = new XmlDiffXmlDeclaration(childPosition, XmlDiff.NormalizeXmlDeclaration(node.Value)); xmlDecl.ComputeHashValue(_xmlHash); return(xmlDecl); case XmlNodeType.EndElement: return(null); case XmlNodeType.DocumentType: childPosition++; if (_XmlDiff.IgnoreDtd) { return(null); } XmlDocumentType docType = (XmlDocumentType)node; XmlDiffDocumentType diffDocType = new XmlDiffDocumentType(childPosition, docType.Name, docType.PublicId, docType.SystemId, docType.InternalSubset); diffDocType.ComputeHashValue(_xmlHash); return(diffDocType); default: Debug.Assert(false); return(null); } }
// Loads child nodes of the 'parent' node internal void LoadChildNodes(XmlDiffParentNode parent, XmlReader reader, bool bEmptyElement) { XmlDiffNode savedLastChild = _curLastChild; _curLastChild = null; // load attributes & namespace nodes while (reader.MoveToNextAttribute()) { if (reader.Prefix == "xmlns") { if (!_XmlDiff.IgnoreNamespaces) { XmlDiffNamespace nsNode = new XmlDiffNamespace(reader.LocalName, reader.Value); nsNode.ComputeHashValue(_xmlHash); InsertAttributeOrNamespace((XmlDiffElement)parent, nsNode); } } else if (reader.Prefix == string.Empty && reader.LocalName == "xmlns") { if (!_XmlDiff.IgnoreNamespaces) { XmlDiffNamespace nsNode = new XmlDiffNamespace(string.Empty, reader.Value); nsNode.ComputeHashValue(_xmlHash); InsertAttributeOrNamespace((XmlDiffElement)parent, nsNode); } } else { string attrValue = _XmlDiff.IgnoreWhitespace ? XmlDiff.NormalizeText(reader.Value) : reader.Value; XmlDiffAttribute attr = new XmlDiffAttribute(reader.LocalName, reader.Prefix, reader.NamespaceURI, attrValue); attr.ComputeHashValue(_xmlHash); InsertAttributeOrNamespace((XmlDiffElement)parent, attr); } } // empty element -> return, do not load chilren if (bEmptyElement) { goto End; } int childPosition = 0; // load children if (!reader.Read()) { goto End; } do { // ignore whitespaces between nodes if (reader.NodeType == XmlNodeType.Whitespace) { continue; } switch (reader.NodeType) { case XmlNodeType.Element: { bool bEmptyEl = reader.IsEmptyElement; XmlDiffElement elem = new XmlDiffElement(++childPosition, reader.LocalName, reader.Prefix, reader.NamespaceURI); LoadChildNodes(elem, reader, bEmptyEl); elem.ComputeHashValue(_xmlHash); InsertChild(parent, elem); break; } case XmlNodeType.Attribute: { Debug.Assert(false, "We should never get to this point, attributes should be read at the beginning of thid method."); break; } case XmlNodeType.Text: { string textValue = (_XmlDiff.IgnoreWhitespace) ? XmlDiff.NormalizeText(reader.Value) : reader.Value; XmlDiffCharData charDataNode = new XmlDiffCharData(++childPosition, textValue, XmlDiffNodeType.Text); charDataNode.ComputeHashValue(_xmlHash); InsertChild(parent, charDataNode); break; } case XmlNodeType.CDATA: { XmlDiffCharData charDataNode = new XmlDiffCharData(++childPosition, reader.Value, XmlDiffNodeType.CDATA); charDataNode.ComputeHashValue(_xmlHash); InsertChild(parent, charDataNode); break; } case XmlNodeType.EntityReference: { XmlDiffER er = new XmlDiffER(++childPosition, reader.Name); er.ComputeHashValue(_xmlHash); InsertChild(parent, er); break; } case XmlNodeType.Comment: { ++childPosition; if (!_XmlDiff.IgnoreComments) { XmlDiffCharData charDataNode = new XmlDiffCharData(childPosition, reader.Value, XmlDiffNodeType.Comment); charDataNode.ComputeHashValue(_xmlHash); InsertChild(parent, charDataNode); } break; } case XmlNodeType.ProcessingInstruction: { ++childPosition; if (!_XmlDiff.IgnorePI) { XmlDiffPI pi = new XmlDiffPI(childPosition, reader.Name, reader.Value); pi.ComputeHashValue(_xmlHash); InsertChild(parent, pi); } break; } case XmlNodeType.SignificantWhitespace: { if (reader.XmlSpace == XmlSpace.Preserve) { ++childPosition; if (!_XmlDiff.IgnoreWhitespace) { XmlDiffCharData charDataNode = new XmlDiffCharData(childPosition, reader.Value, XmlDiffNodeType.SignificantWhitespace); charDataNode.ComputeHashValue(_xmlHash); InsertChild(parent, charDataNode); } } break; } case XmlNodeType.XmlDeclaration: { ++childPosition; if (!_XmlDiff.IgnoreXmlDecl) { XmlDiffXmlDeclaration xmlDecl = new XmlDiffXmlDeclaration(childPosition, XmlDiff.NormalizeXmlDeclaration(reader.Value)); xmlDecl.ComputeHashValue(_xmlHash); InsertChild(parent, xmlDecl); } break; } case XmlNodeType.EndElement: goto End; case XmlNodeType.DocumentType: childPosition++; if (!_XmlDiff.IgnoreDtd) { XmlDiffDocumentType docType = new XmlDiffDocumentType(childPosition, reader.Name, reader.GetAttribute("PUBLIC"), reader.GetAttribute("SYSTEM"), reader.Value); docType.ComputeHashValue(_xmlHash); InsertChild(parent, docType); } break; default: Debug.Assert(false); break; } } while (reader.Read()); End: _curLastChild = savedLastChild; }
internal void LoadChildNodes(XmlDiffParentNode parent, XmlReader reader, bool bEmptyElement) { var curLastChild = this._curLastChild; this._curLastChild = (XmlDiffNode) null; while (reader.MoveToNextAttribute()) { if (reader.Prefix == "xmlns") { if (!this._XmlDiff.IgnoreNamespaces) { var xmlDiffNamespace = new XmlDiffNamespace(reader.LocalName, reader.Value); xmlDiffNamespace.ComputeHashValue(this._xmlHash); this.InsertAttributeOrNamespace((XmlDiffElement) parent, (XmlDiffAttributeOrNamespace) xmlDiffNamespace); } } else if (reader.Prefix == string.Empty && reader.LocalName == "xmlns") { if (!this._XmlDiff.IgnoreNamespaces) { var xmlDiffNamespace = new XmlDiffNamespace(string.Empty, reader.Value); xmlDiffNamespace.ComputeHashValue(this._xmlHash); this.InsertAttributeOrNamespace((XmlDiffElement) parent, (XmlDiffAttributeOrNamespace) xmlDiffNamespace); } } else { var str = this._XmlDiff.IgnoreWhitespace ? XmlDiff.NormalizeText(reader.Value) : reader.Value; var xmlDiffAttribute = new XmlDiffAttribute(reader.LocalName, reader.Prefix, reader.NamespaceURI, str); xmlDiffAttribute.ComputeHashValue(this._xmlHash); this.InsertAttributeOrNamespace((XmlDiffElement) parent, (XmlDiffAttributeOrNamespace) xmlDiffAttribute); } } if (!bEmptyElement) { var position = 0; if (reader.Read()) { do { if (reader.NodeType != XmlNodeType.Whitespace) { switch (reader.NodeType) { case XmlNodeType.Element: var isEmptyElement = reader.IsEmptyElement; var xmlDiffElement = new XmlDiffElement(++position, reader.LocalName, reader.Prefix, reader.NamespaceURI); this.LoadChildNodes((XmlDiffParentNode) xmlDiffElement, reader, isEmptyElement); xmlDiffElement.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) xmlDiffElement); break; case XmlNodeType.Text: var str = this._XmlDiff.IgnoreWhitespace ? XmlDiff.NormalizeText(reader.Value) : reader.Value; var xmlDiffCharData1 = new XmlDiffCharData(++position, str, XmlDiffNodeType.Text); xmlDiffCharData1.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) xmlDiffCharData1); break; case XmlNodeType.CDATA: var xmlDiffCharData2 = new XmlDiffCharData(++position, reader.Value, XmlDiffNodeType.CDATA); xmlDiffCharData2.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) xmlDiffCharData2); break; case XmlNodeType.EntityReference: var xmlDiffEr = new XmlDiffER(++position, reader.Name); xmlDiffEr.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) xmlDiffEr); break; case XmlNodeType.ProcessingInstruction: ++position; if (!this._XmlDiff.IgnorePI) { var xmlDiffPi = new XmlDiffPI(position, reader.Name, reader.Value); xmlDiffPi.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) xmlDiffPi); break; } break; case XmlNodeType.Comment: ++position; if (!this._XmlDiff.IgnoreComments) { var xmlDiffCharData3 = new XmlDiffCharData(position, reader.Value, XmlDiffNodeType.Comment); xmlDiffCharData3.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) xmlDiffCharData3); break; } break; case XmlNodeType.DocumentType: ++position; if (!this._XmlDiff.IgnoreDtd) { var diffDocumentType = new XmlDiffDocumentType(position, reader.Name, reader.GetAttribute("PUBLIC"), reader.GetAttribute("SYSTEM"), reader.Value); diffDocumentType.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) diffDocumentType); break; } break; case XmlNodeType.SignificantWhitespace: if (reader.XmlSpace == XmlSpace.Preserve) { ++position; if (!this._XmlDiff.IgnoreWhitespace) { var xmlDiffCharData3 = new XmlDiffCharData(position, reader.Value, XmlDiffNodeType.SignificantWhitespace); xmlDiffCharData3.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) xmlDiffCharData3); break; } break; } break; case XmlNodeType.EndElement: goto label_29; case XmlNodeType.XmlDeclaration: ++position; if (!this._XmlDiff.IgnoreXmlDecl) { var diffXmlDeclaration = new XmlDiffXmlDeclaration(position, XmlDiff.NormalizeXmlDeclaration(reader.Value)); diffXmlDeclaration.ComputeHashValue(this._xmlHash); this.InsertChild(parent, (XmlDiffNode) diffXmlDeclaration); break; } break; } } } while (reader.Read()); } } label_29: this._curLastChild = curLastChild; }
internal XmlDiffNode LoadNode(XmlNode node, ref int childPosition) { switch (node.NodeType) { case XmlNodeType.Element: var xmlDiffElement = new XmlDiffElement(++childPosition, node.LocalName, node.Prefix, node.NamespaceURI); this.LoadChildNodes((XmlDiffParentNode) xmlDiffElement, node); xmlDiffElement.ComputeHashValue(this._xmlHash); return (XmlDiffNode) xmlDiffElement; case XmlNodeType.Attribute: return (XmlDiffNode) null; case XmlNodeType.Text: var str = this._XmlDiff.IgnoreWhitespace ? XmlDiff.NormalizeText(node.Value) : node.Value; var xmlDiffCharData1 = new XmlDiffCharData(++childPosition, str, XmlDiffNodeType.Text); xmlDiffCharData1.ComputeHashValue(this._xmlHash); return (XmlDiffNode) xmlDiffCharData1; case XmlNodeType.CDATA: var xmlDiffCharData2 = new XmlDiffCharData(++childPosition, node.Value, XmlDiffNodeType.CDATA); xmlDiffCharData2.ComputeHashValue(this._xmlHash); return (XmlDiffNode) xmlDiffCharData2; case XmlNodeType.EntityReference: var xmlDiffEr = new XmlDiffER(++childPosition, node.Name); xmlDiffEr.ComputeHashValue(this._xmlHash); return (XmlDiffNode) xmlDiffEr; case XmlNodeType.ProcessingInstruction: ++childPosition; if (this._XmlDiff.IgnorePI) return (XmlDiffNode) null; var xmlDiffPi = new XmlDiffPI(childPosition, node.Name, node.Value); xmlDiffPi.ComputeHashValue(this._xmlHash); return (XmlDiffNode) xmlDiffPi; case XmlNodeType.Comment: ++childPosition; if (this._XmlDiff.IgnoreComments) return (XmlDiffNode) null; var xmlDiffCharData3 = new XmlDiffCharData(childPosition, node.Value, XmlDiffNodeType.Comment); xmlDiffCharData3.ComputeHashValue(this._xmlHash); return (XmlDiffNode) xmlDiffCharData3; case XmlNodeType.DocumentType: ++childPosition; if (this._XmlDiff.IgnoreDtd) return (XmlDiffNode) null; var xmlDocumentType = (XmlDocumentType) node; var diffDocumentType = new XmlDiffDocumentType(childPosition, xmlDocumentType.Name, xmlDocumentType.PublicId, xmlDocumentType.SystemId, xmlDocumentType.InternalSubset); diffDocumentType.ComputeHashValue(this._xmlHash); return (XmlDiffNode) diffDocumentType; case XmlNodeType.SignificantWhitespace: ++childPosition; if (this._XmlDiff.IgnoreWhitespace) return (XmlDiffNode) null; var xmlDiffCharData4 = new XmlDiffCharData(childPosition, node.Value, XmlDiffNodeType.SignificantWhitespace); xmlDiffCharData4.ComputeHashValue(this._xmlHash); return (XmlDiffNode) xmlDiffCharData4; case XmlNodeType.EndElement: return (XmlDiffNode) null; case XmlNodeType.XmlDeclaration: ++childPosition; if (this._XmlDiff.IgnoreXmlDecl) return (XmlDiffNode) null; var diffXmlDeclaration = new XmlDiffXmlDeclaration(childPosition, XmlDiff.NormalizeXmlDeclaration(node.Value)); diffXmlDeclaration.ComputeHashValue(this._xmlHash); return (XmlDiffNode) diffXmlDeclaration; default: return (XmlDiffNode) null; } }
internal XmlDiffNode LoadNode( XmlNode node, ref int childPosition ) { switch ( node.NodeType ) { case XmlNodeType.Element: XmlDiffElement elem = new XmlDiffElement( ++childPosition, node.LocalName, node.Prefix, node.NamespaceURI ); LoadChildNodes( elem, node ); elem.ComputeHashValue( _xmlHash ); return elem; case XmlNodeType.Attribute: Debug.Assert( false, "Attributes cannot be loaded by this method." ); return null; case XmlNodeType.Text: string textValue = ( _XmlDiff.IgnoreWhitespace ) ? XmlDiff.NormalizeText( node.Value ) : node.Value; XmlDiffCharData text = new XmlDiffCharData( ++childPosition, textValue, XmlDiffNodeType.Text ); text.ComputeHashValue( _xmlHash ); return text; case XmlNodeType.CDATA: XmlDiffCharData cdata = new XmlDiffCharData( ++childPosition, node.Value, XmlDiffNodeType.CDATA ); cdata.ComputeHashValue( _xmlHash ); return cdata; case XmlNodeType.EntityReference: XmlDiffER er = new XmlDiffER( ++childPosition, node.Name ); er.ComputeHashValue( _xmlHash ); return er; case XmlNodeType.Comment: ++childPosition; if ( _XmlDiff.IgnoreComments ) return null; XmlDiffCharData comment = new XmlDiffCharData( childPosition, node.Value, XmlDiffNodeType.Comment ); comment.ComputeHashValue( _xmlHash ); return comment; case XmlNodeType.ProcessingInstruction: ++childPosition; if ( _XmlDiff.IgnorePI ) return null; XmlDiffPI pi = new XmlDiffPI( childPosition, node.Name, node.Value ); pi.ComputeHashValue( _xmlHash ); return pi; case XmlNodeType.SignificantWhitespace: ++childPosition; if ( _XmlDiff.IgnoreWhitespace ) return null; XmlDiffCharData ws = new XmlDiffCharData( childPosition, node.Value, XmlDiffNodeType.SignificantWhitespace ); ws.ComputeHashValue( _xmlHash ); return ws; case XmlNodeType.XmlDeclaration: ++childPosition; if ( _XmlDiff.IgnoreXmlDecl ) return null; XmlDiffXmlDeclaration xmlDecl = new XmlDiffXmlDeclaration( childPosition, XmlDiff.NormalizeXmlDeclaration( node.Value ) ); xmlDecl.ComputeHashValue( _xmlHash ); return xmlDecl; case XmlNodeType.EndElement: return null; case XmlNodeType.DocumentType: childPosition++; if ( _XmlDiff.IgnoreDtd ) return null; XmlDocumentType docType = (XmlDocumentType)node; XmlDiffDocumentType diffDocType = new XmlDiffDocumentType( childPosition, docType.Name, docType.PublicId, docType.SystemId, docType.InternalSubset ); diffDocType.ComputeHashValue( _xmlHash ); return diffDocType; default: Debug.Assert( false ); return null; } }
// Loads child nodes of the 'parent' node internal void LoadChildNodes ( XmlDiffParentNode parent, XmlReader reader, bool bEmptyElement ) { XmlDiffNode savedLastChild = _curLastChild; _curLastChild = null; // load attributes & namespace nodes while ( reader.MoveToNextAttribute() ) { if ( reader.Prefix == "xmlns" ) { if ( !_XmlDiff.IgnoreNamespaces ) { XmlDiffNamespace nsNode = new XmlDiffNamespace( reader.LocalName, reader.Value ); nsNode.ComputeHashValue( _xmlHash ); InsertAttributeOrNamespace( (XmlDiffElement)parent, nsNode ); } } else if ( reader.Prefix == string.Empty && reader.LocalName == "xmlns" ) { if ( !_XmlDiff.IgnoreNamespaces ) { XmlDiffNamespace nsNode = new XmlDiffNamespace( string.Empty, reader.Value ); nsNode.ComputeHashValue( _xmlHash ); InsertAttributeOrNamespace( (XmlDiffElement)parent, nsNode ); } } else { string attrValue = _XmlDiff.IgnoreWhitespace ? XmlDiff.NormalizeText( reader.Value ) : reader.Value; XmlDiffAttribute attr = new XmlDiffAttribute( reader.LocalName, reader.Prefix, reader.NamespaceURI, attrValue ); attr.ComputeHashValue( _xmlHash ); InsertAttributeOrNamespace( (XmlDiffElement)parent, attr ); } } // empty element -> return, do not load chilren if ( bEmptyElement ) goto End; int childPosition = 0; // load children if ( !reader.Read()) goto End; do { // ignore whitespaces between nodes if ( reader.NodeType == XmlNodeType.Whitespace ) continue; switch ( reader.NodeType ) { case XmlNodeType.Element: { bool bEmptyEl = reader.IsEmptyElement; XmlDiffElement elem = new XmlDiffElement( ++childPosition, reader.LocalName, reader.Prefix, reader.NamespaceURI ); LoadChildNodes( elem, reader, bEmptyEl ); elem.ComputeHashValue( _xmlHash ); InsertChild( parent, elem ); break; } case XmlNodeType.Attribute: { Debug.Assert( false, "We should never get to this point, attributes should be read at the beginning of thid method." ); break; } case XmlNodeType.Text: { string textValue = ( _XmlDiff.IgnoreWhitespace ) ? XmlDiff.NormalizeText( reader.Value ) : reader.Value; XmlDiffCharData charDataNode = new XmlDiffCharData( ++childPosition, textValue, XmlDiffNodeType.Text ); charDataNode.ComputeHashValue( _xmlHash ); InsertChild( parent, charDataNode ); break; } case XmlNodeType.CDATA: { XmlDiffCharData charDataNode = new XmlDiffCharData( ++childPosition, reader.Value, XmlDiffNodeType.CDATA ); charDataNode.ComputeHashValue( _xmlHash ); InsertChild( parent, charDataNode ); break; } case XmlNodeType.EntityReference: { XmlDiffER er = new XmlDiffER( ++childPosition, reader.Name ); er.ComputeHashValue( _xmlHash ); InsertChild( parent, er ); break; } case XmlNodeType.Comment: { ++childPosition; if ( !_XmlDiff.IgnoreComments ) { XmlDiffCharData charDataNode = new XmlDiffCharData( childPosition, reader.Value, XmlDiffNodeType.Comment ); charDataNode.ComputeHashValue( _xmlHash ); InsertChild( parent, charDataNode ); } break; } case XmlNodeType.ProcessingInstruction: { ++childPosition; if ( !_XmlDiff.IgnorePI ) { XmlDiffPI pi = new XmlDiffPI( childPosition, reader.Name, reader.Value ); pi.ComputeHashValue( _xmlHash ); InsertChild( parent, pi ); } break; } case XmlNodeType.SignificantWhitespace: { if( reader.XmlSpace == XmlSpace.Preserve ) { ++childPosition; if (!_XmlDiff.IgnoreWhitespace ) { XmlDiffCharData charDataNode = new XmlDiffCharData( childPosition, reader.Value, XmlDiffNodeType.SignificantWhitespace ); charDataNode.ComputeHashValue( _xmlHash ); InsertChild( parent, charDataNode ); } } break; } case XmlNodeType.XmlDeclaration: { ++childPosition; if ( !_XmlDiff.IgnoreXmlDecl ) { XmlDiffXmlDeclaration xmlDecl = new XmlDiffXmlDeclaration( childPosition, XmlDiff.NormalizeXmlDeclaration( reader.Value ) ); xmlDecl.ComputeHashValue( _xmlHash ); InsertChild( parent, xmlDecl ); } break; } case XmlNodeType.EndElement: goto End; case XmlNodeType.DocumentType: childPosition++; if ( !_XmlDiff.IgnoreDtd ) { XmlDiffDocumentType docType = new XmlDiffDocumentType( childPosition, reader.Name, reader.GetAttribute("PUBLIC"), reader.GetAttribute("SYSTEM"), reader.Value ); docType.ComputeHashValue( _xmlHash ); InsertChild( parent, docType ); } break; default: Debug.Assert( false ); break; } } while ( reader.Read() ); End: _curLastChild = savedLastChild; }